Geodesic
Geometrical versus analytical approach in problem solving—an exploratory study
The Teaching of Mathematics, XVII (2014) no. 2, p. 84 Cet article a éte moissonné depuis la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

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In this study we analyse the geometrical visualization as a part of the process of solution. In total 263 students in the first year of study at three different universities in three different countries (Poland, Slovakia and Spain) were asked to solve four mathematical problems. The analysis of the results of all students showed that geometrical visualization for problems where there is a possibility to choose different ways of solving is not as frequent as one would expect even if the problem is hardly solvable without it. Especially Spanish students prefer to solve the problem analytically. Visual reasoning is mostly regarded as an intuitive, preliminary stage in the reasoning processes and nothing needs to be done to develop it. On the basis of our results we consider it necessary to regain the use of geometry in the classroom and encourage visualization, the use of the figure, the physical and spatial intuition.
Classification : 97C30, 97G99 C30
Keywords: geometrical arguments, analytical arguments, visualization, problem solving 
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     author = {Magdalena Lema\'nska and Ingrid Semani\v{s}inov\'a and Carlos Soneira Calvo and Mar{\'\i}a Jos\'e Souto Salorio and Ana Dorotea Tarr{\'\i}o Tobar},
     title = {Geometrical versus analytical approach in problem solving{\textemdash}an exploratory study},
     journal = {The Teaching of Mathematics},
     pages = {84 },
     year = {2014},
     volume = {XVII},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2014_XVII_2_a2/}
}
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Magdalena Lemańska; Ingrid Semanišinová; Carlos Soneira Calvo; María José Souto Salorio; Ana Dorotea Tarrío Tobar. Geometrical versus analytical approach in problem solving—an exploratory study. The Teaching of Mathematics, XVII (2014) no. 2, p. 84 . http://geodesic.mathdoc.fr/item/TM2_2014_XVII_2_a2/